Sit to Stand Desktop: This trendy platform attaches to a compatible desk frame to create a customized workstation setup. Minimal assembly is required and all hardware and instructions are included. Note: All 3 sections of the tabletop must be used Compatibility: Fits both manual and electric frames measuring 43' to 62' in length. Works with VIVO models including DESK-V101M / DESK-V101MW (manual), DESK-V102E / DESK-V102EW (single motor), and DESK-V103E / DESK-V103EW (dual motor)